# NTSB Accident ERA17LA275
> **PIPER J3C** · 2017-08-13 · Salisbury, CT, USA · MINR
## Event
- **NTSB number:** ERA17LA275
- **Event ID:** 20170813X83417
- **Type:** Accident
- **Date:** 2017-08-13
- **Location:** Salisbury, CT, USA
- **Coordinates:** 42.034999, -73.433891
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** J3C
- **Registration:** N98550
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

An improper replacement of the crankshaft by maintenance personnel, which resulted in a failure of the crankshaft gear and total loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA17LA275) · AI Analytics · CC0 1.0*